Also see: The Streaming Organism The Randle Cycle Stem Cells. 2010 Sep;28(9):1630-8. Pancreatic β-cell neogenesis by direct conversion from mature α-cells. Chung CH, Hao E, Piran R, Keinan E, Levine F. Because type 1 and type 2 diabetes are characterized by loss of β-cells, β-cell regeneration has garnered great interest as an approach to diabetes [...]